There may .....................(1.be) a bigger house in the world but Windsor Castle, the Queen's weekend home,....................(2.be) certainly the blobe's biggest inhabited castle. William is the conqueror who discovered the place and it .....................................(3.become) a royal residence and fortress for nearly a thousand years. During that time, it ............................(4.grow). The castle now .............................(5.vocer) 13 acres. It's not only the biggest inhabited castle in the world, but also one of the most familiar ones.

Quy đồng mẫu thức sau:

5x² / x³ - 6x² và 3x+18 / x² - 36

1. My home hasn't installed a solar water heater. If/ my home/ install/ a solar water heater/ we/ save a lot of energy.

➞

2. Not all households in Viet Nam turn off lights during the Earth Hour. If/ all households/ Viet Nam/ turn off lights/ the Earth Hour/ we/ save enough electricity/ develop our rural areas.

➞

5. The improvements of the public transport system will encourage more people to use it.

—> If..............................................

1. Next Thursday at 2p.m. there (be) ...................an English exam at the U.S Embassy.

2. The Eskimos (live) ...................in the lands of the USA and Canada for thousands of years.

3. Koalas are marsupials that (live)........................in the forest areas in Australia.

4. The legendary monster of Loch Ness in Scotland (attract)...................million of visitors.

5. The sweet smell of flowers often (attract)........................insects, especially bees.

6. He'll be here soon. His plane from London (arrive)....................at 6:45.

7. Tony (work).....................tonight. You know he never works on Sunday.

8. The festival (end).......................on Sunday. Take time and go with me, I don't want to miss.

1. Many people don't know about the............... of soil pollution. (dangerous)

2. The river is seriously.................. by the factory's waste. (contaminate)

3. High blood................ can be brought about by noise pollution. (press)

4. The water color can show us how.............the river. (pollute)

5. A lot of............fish are floating on the surface of the lake. (die)

1. The United Kingdom, an island region , ............ four coutries including England , Wales , Scotland and Northrn Ireland .( comprise)

2 . Hawaii and Alaska ......... US states since 1959( be)

3. People in England ........... Easter from March 30th to April 2nd ( celebrate)

4. The flight to New Zealand ........... at 9a.m tomorrow , so you have to come an hour early ( leave)

5. We need to be quick , or we will miss Ms. Joan's class which ..........in 5 minutes ( start)

6 . I need to go home now because the movie ............on the HBO channel in 30 minutes ( play)

Cho 3,6 gam Al tác dụng với 100ml dung dịch NaOH 1M đến khi phản ứng xảy ra hoàm toàn, thu được V lít khí H₂ (đktc). Giá trị của V là bao nhiêu?